function handleRemove(file, fileList) {
  console.log(file, fileList);
}
function handlePreview(file) {
  console.log(file);
}
function handleExceed(files, fileList) {
  this.$message.warning(
    `当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${
      files.length + fileList.length
    } 个文件`
  );
}
function beforeRemove(file, fileList) {
  return this.$confirm(`确定移除 ${file.name}？`);
}
